Past PhDs

On the indeterminate cubic equation x³ + Dy³ +Dz³ - 3Dxyz = 1

Clyde Lynn Earle Wolfe
Derrick Norman Lehmer
1919

On a special quartic curve

Elsie Jeannette McFarland
J. H. McDonald
1920

The lines on the general hypersurface of order 2n-3 in space of n dimension

Daniel Victor Steed
Derrick Norman Lehmer
1921

Normal Ternary Continued Fraction Expansions for the Cube Roots of Integers

Paul Harold Daus
Derrick Norman Lehmer
1921

Involutory Quartic Transformations in Space of Four Dimensions

Nina May Alderton
Derrick Norman Lehmer
1921

A study and classification of ruled quartic surfaces by means of a point-to-line transformation

Bing Chin Wong
Derrick Norman Lehmer
1922

A study of Cubic Surfaces by Means of Involutory Cubic Space Transformations

John Frederick Pobanz
Derrick Norman Lehmer
1923

The normal quartic curve of four-space

Marcus Skarstedt
Derrick Norman Lehmer
1924

The Periodic Solutions of the Differential Equations Belonging to the Elliptic Cylinder

Dalip Singh Saund
J. H. McDonald
1924

The solution of the differential equation of a vibrating membrane by successive approximations

Takashi Terami
J. H. McDonald
1925